Daily Quiz 02 April 2026
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Question 1 of 5
1. Question
1 pointsWith reference to nuclear reactor technologies in India, consider the following statements:
- Pressurised Heavy Water Reactors (PHWRs) use natural uranium as fuel.
- Pressurised Water Reactors (PWRs) use light water as both moderator and coolant.
- PHWR technology dominates the global nuclear reactor fleet.
- PWRs generally have simpler design and wider global adoption.
Which of the statements given above is/are correct?
Correct
Answer: D
Explanation:
- Statement 1 is correct: PHWRs (like the ones at Rajasthan or Narora) use natural uranium as fuel. Because they use heavy water (deuterium oxide) as a moderator, they don’t require the uranium to be enriched.
- Statement 2 is correct: PWRs use ordinary (light) water as both the coolant to carry away heat and the moderator to slow down neutrons.
- Statement 3 is incorrect: PHWR technology does not dominate the global fleet. It is a niche technology used primarily by Canada (CANDU) and India.
- Statement 4 is correct: PWRs are the most widely adopted reactor type in the world (accounting for about 65% of all active reactors). Their design is considered relatively straightforward for large-scale power generation compared to other types.
Incorrect
Answer: D
Explanation:
- Statement 1 is correct: PHWRs (like the ones at Rajasthan or Narora) use natural uranium as fuel. Because they use heavy water (deuterium oxide) as a moderator, they don’t require the uranium to be enriched.
- Statement 2 is correct: PWRs use ordinary (light) water as both the coolant to carry away heat and the moderator to slow down neutrons.
- Statement 3 is incorrect: PHWR technology does not dominate the global fleet. It is a niche technology used primarily by Canada (CANDU) and India.
- Statement 4 is correct: PWRs are the most widely adopted reactor type in the world (accounting for about 65% of all active reactors). Their design is considered relatively straightforward for large-scale power generation compared to other types.
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Question 2 of 5
2. Question
1 pointsWith reference to the recent Supreme Court judgment on maternity leave for adoptive mothers, consider the following statements:
- The Court removed the age restriction for availing maternity leave in case of adoption.
- The judgment is based on Articles 14 and 21 of the Constitution.
- The Court held that adoption is inferior to biological parenthood.
- The ruling expanded the scope of reproductive autonomy.
Which of the statements given above is/are correct?
Correct
Answer: A
Explanation:
- Statement 1 is correct: The Court removed the age restriction by reading down Section 60(4) of the Code on Social Security, 2020 (and the equivalent Section 5(4) of the Maternity Benefit Act, 1961). Previously, leave was only available if the adopted child was below three months of age. The Court ruled that all adoptive mothers are now entitled to 12 weeks of leave, regardless of the child’s age.
- Statement 2 is correct: The judgment was grounded in Article 14 (Right to Equality) and Article 21 (Right to Life and Dignity). The Court held that the age-based classification was arbitrary and lacked a “rational nexus” with the objective of maternity protection.
- Statement 3 is incorrect: The Court explicitly held that adoption is not inferior to biological parenthood. It emphasized that “an adopted child is not different from a natural child” and that the responsibilities of caregiving and emotional bonding are identical.
- Statement 4 is correct: The ruling expanded the scope of reproductive autonomy under Article 21, recognizing that the right to form a family through adoption is an integral part of a woman’s decisional and reproductive rights.
Incorrect
Answer: A
Explanation:
- Statement 1 is correct: The Court removed the age restriction by reading down Section 60(4) of the Code on Social Security, 2020 (and the equivalent Section 5(4) of the Maternity Benefit Act, 1961). Previously, leave was only available if the adopted child was below three months of age. The Court ruled that all adoptive mothers are now entitled to 12 weeks of leave, regardless of the child’s age.
- Statement 2 is correct: The judgment was grounded in Article 14 (Right to Equality) and Article 21 (Right to Life and Dignity). The Court held that the age-based classification was arbitrary and lacked a “rational nexus” with the objective of maternity protection.
- Statement 3 is incorrect: The Court explicitly held that adoption is not inferior to biological parenthood. It emphasized that “an adopted child is not different from a natural child” and that the responsibilities of caregiving and emotional bonding are identical.
- Statement 4 is correct: The ruling expanded the scope of reproductive autonomy under Article 21, recognizing that the right to form a family through adoption is an integral part of a woman’s decisional and reproductive rights.
-
Question 3 of 5
3. Question
1 pointsWith reference to Atukuri Molla, a prominent figure in medieval Telugu literature, consider the following statements:
- She was a contemporary of Vijayanagara ruler Krishnadevaraya.
- She composed Ramayana in Sanskrit using Champu style.
- She belonged to the Kummari (potter) community.
- She introduced the use of Dandaka metre in Telugu Ramayana literature.
Which of the statements given above is/are correct?
Correct
Answer: D
Explanation:
- Statement 1 is correct: Most modern historians, including Kandukuri Veeresalingam, place her as a contemporary of the Vijayanagara Emperor Krishnadevaraya. According to local tradition, she was invited to his royal court, where she successfully defended her work against the Ashtadiggajas (eight great poets).
- Statement 2 is incorrect: While she did use the Champu style (a mixture of poetry and prose), she composed her Ramayana in Telugu, not Sanskrit. Her primary contribution was translating the essence of the Sanskrit epic into simple, spoken Telugu to make it accessible to the common person.
- Statement 3 is correct: She belonged to the Kummari (potter) community. As a woman from a “Shudra” background, her literary success was a significant subversion of the social norms of the 16th century, which typically reserved high literature for the priestly and royal classes.
- Statement 4 is correct: Molla is credited with introducing the Dandaka metre (a rhythmic, long-verse form) specifically into Telugu Ramayana literature, enhancing the lyrical and performative quality of the text.
Incorrect
Answer: D
Explanation:
- Statement 1 is correct: Most modern historians, including Kandukuri Veeresalingam, place her as a contemporary of the Vijayanagara Emperor Krishnadevaraya. According to local tradition, she was invited to his royal court, where she successfully defended her work against the Ashtadiggajas (eight great poets).
- Statement 2 is incorrect: While she did use the Champu style (a mixture of poetry and prose), she composed her Ramayana in Telugu, not Sanskrit. Her primary contribution was translating the essence of the Sanskrit epic into simple, spoken Telugu to make it accessible to the common person.
- Statement 3 is correct: She belonged to the Kummari (potter) community. As a woman from a “Shudra” background, her literary success was a significant subversion of the social norms of the 16th century, which typically reserved high literature for the priestly and royal classes.
- Statement 4 is correct: Molla is credited with introducing the Dandaka metre (a rhythmic, long-verse form) specifically into Telugu Ramayana literature, enhancing the lyrical and performative quality of the text.
-
Question 4 of 5
4. Question
1 pointsWith reference to the Minor Planet Centre (MPC) and recent discoveries of natural satellites, consider the following statements:
- MPC operates under the International Astronomical Union (IAU).
- It maintains records only of asteroids and not comets.
- It tracks Near-Earth Objects (NEOs) that may pose a threat to Earth.
- It is hosted at the Smithsonian Astrophysical Observatory.
How many of the statements given above are correct?
Correct
Answer: C
Explanation:
- Statement 1 is correct: The MPC operates under the auspices of the International Astronomical Union (IAU), specifically within its Division F which deals with Planetary Systems and Bioastronomy.
- Statement 2 is incorrect: The MPC maintains records for both asteroids and comets, as well as natural satellites of the outer planets. It is responsible for the efficient collection, computation, and dissemination of observations for all these minor bodies.
- Statement 3 is correct: A primary function of the MPC is to track Near-Earth Objects (NEOs). It plays a fundamental role in refining their orbits to assess potential impact threats to Earth.
- Statement 4 is correct: The MPC is hosted at the Smithsonian Astrophysical Observatory (SAO), which is part of the Center for Astrophysics | Harvard & Smithsonian in Cambridge, Massachusetts.
Incorrect
Answer: C
Explanation:
- Statement 1 is correct: The MPC operates under the auspices of the International Astronomical Union (IAU), specifically within its Division F which deals with Planetary Systems and Bioastronomy.
- Statement 2 is incorrect: The MPC maintains records for both asteroids and comets, as well as natural satellites of the outer planets. It is responsible for the efficient collection, computation, and dissemination of observations for all these minor bodies.
- Statement 3 is correct: A primary function of the MPC is to track Near-Earth Objects (NEOs). It plays a fundamental role in refining their orbits to assess potential impact threats to Earth.
- Statement 4 is correct: The MPC is hosted at the Smithsonian Astrophysical Observatory (SAO), which is part of the Center for Astrophysics | Harvard & Smithsonian in Cambridge, Massachusetts.
-
Question 5 of 5
5. Question
1 pointsWith reference to the “Smog-Eating” road initiative in Delhi using Titanium Dioxide, consider the following statements:
- It works through a photocatalytic reaction triggered by ultraviolet rays.
- The process converts pollutants like nitrogen dioxide into simpler harmless substances.
- The coating degrades rapidly under sunlight, requiring frequent replacement.
- Dust accumulation can reduce its effectiveness.
How many of the statements given above are correct?
Correct
Answer: C
Explanation:
- Statement 1 is correct: The technology relies on a photocatalytic reaction. When ultraviolet (UV) rays from sunlight hit the titanium dioxide particles, they act as a catalyst to trigger chemical reactions that break down pollutants.
- Statement 2 is correct: The process specifically targets and decomposes harmful pollutants like nitrogen dioxide and volatile organic compounds (VOCs). These are converted into simpler, harmless substances such as nitrates and water, which can then be washed away by rain.
- Statement 3 is incorrect: Titanium dioxide is known for being chemically stable and durable. Research indicates that these coatings do not degrade rapidly under sunlight; rather, they can remain effective for over 10 years without significant maintenance.
- Statement 4 is correct: Real-world effectiveness can be hindered by heavy dust accumulation, which physically blocks sunlight from reaching the particles and prevents the air pollutants from making contact with the catalytic surface. Periodic cleaning or rainfall is often required to restore its full efficiency
Incorrect
Answer: C
Explanation:
- Statement 1 is correct: The technology relies on a photocatalytic reaction. When ultraviolet (UV) rays from sunlight hit the titanium dioxide particles, they act as a catalyst to trigger chemical reactions that break down pollutants.
- Statement 2 is correct: The process specifically targets and decomposes harmful pollutants like nitrogen dioxide and volatile organic compounds (VOCs). These are converted into simpler, harmless substances such as nitrates and water, which can then be washed away by rain.
- Statement 3 is incorrect: Titanium dioxide is known for being chemically stable and durable. Research indicates that these coatings do not degrade rapidly under sunlight; rather, they can remain effective for over 10 years without significant maintenance.
- Statement 4 is correct: Real-world effectiveness can be hindered by heavy dust accumulation, which physically blocks sunlight from reaching the particles and prevents the air pollutants from making contact with the catalytic surface. Periodic cleaning or rainfall is often required to restore its full efficiency
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Daily Quiz 01 April 2026
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